Merge commit 'be3e8236086165e5e45a5a10783823874b3f3ebd' as 'lib/vscode'

lib/vscode/src/vs/platform/jsonschemas/common/jsonContributionRegistry.ts

@@ -0,0 +1,80 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { IJSONSchema } from 'vs/base/common/jsonSchema';
+import * as platform from 'vs/platform/registry/common/platform';
+import { Event, Emitter } from 'vs/base/common/event';
+
+export const Extensions = {
+	JSONContribution: 'base.contributions.json'
+};
+
+export interface ISchemaContributions {
+	schemas: { [id: string]: IJSONSchema };
+}
+
+export interface IJSONContributionRegistry {
+
+	readonly onDidChangeSchema: Event<string>;
+
+	/**
+	 * Register a schema to the registry.
+	 */
+	registerSchema(uri: string, unresolvedSchemaContent: IJSONSchema): void;
+
+
+	/**
+	 * Notifies all listeners that the content of the given schema has changed.
+	 * @param uri The id of the schema
+	 */
+	notifySchemaChanged(uri: string): void;
+
+	/**
+	 * Get all schemas
+	 */
+	getSchemaContributions(): ISchemaContributions;
+}
+
+
+
+function normalizeId(id: string) {
+	if (id.length > 0 && id.charAt(id.length - 1) === '#') {
+		return id.substring(0, id.length - 1);
+	}
+	return id;
+}
+
+
+
+class JSONContributionRegistry implements IJSONContributionRegistry {
+
+	private schemasById: { [id: string]: IJSONSchema };
+
+	private readonly _onDidChangeSchema = new Emitter<string>();
+	readonly onDidChangeSchema: Event<string> = this._onDidChangeSchema.event;
+
+	constructor() {
+		this.schemasById = {};
+	}
+
+	public registerSchema(uri: string, unresolvedSchemaContent: IJSONSchema): void {
+		this.schemasById[normalizeId(uri)] = unresolvedSchemaContent;
+		this._onDidChangeSchema.fire(uri);
+	}
+
+	public notifySchemaChanged(uri: string): void {
+		this._onDidChangeSchema.fire(uri);
+	}
+
+	public getSchemaContributions(): ISchemaContributions {
+		return {
+			schemas: this.schemasById,
+		};
+	}
+
+}
+
+const jsonContributionRegistry = new JSONContributionRegistry();
+platform.Registry.add(Extensions.JSONContribution, jsonContributionRegistry);